TDA7512 datasheet(22/42 Pages) STMICROELECTRONICS

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TDA7512

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AMST

AM stereo select

APPM

Application mode quality detection

Charge pump low current

BWCTL

ISS filter fixed bandwith (ISS80) in automatic control

CASF

Check alternative station frequency

Center frequency IF counter

CLKSEP

Clock separation (only for testing)

CTLOFF

Switch off automatic control of ISS filter

CURRH

Set current high charge pump

DAGC

AM narrow band AGC threshold

DEM

Demodulator offset

DNB

Demodulator noise spike blanking

DTH

Deviation detector threshold for ISS filter “OFF”

DWTH

Deviation detector threshold for ISS filter narrow/wide

Frequency error window IF counter

F100K

Corner frequency of AC-mute high pass filter

I/Q mixer gain adjust

IF1T

FM/AM mixer1 tank adjust

IF2T

AM mixer2 tank adjust

IFAGC

FM IF AGC

IFCM

IF counter mode

IFENA

IF counter enable

IFG

IF1 amplifier gain (10.7MHz)

IFS

IF counter sampling time

ISSIN

Test input for ISS filter

ISSON

ISS filter “ON”

ISS30

ISS filter 30KHz weather band

ISS80

ISS filter narrow/mid switch

KAGC

FM keying AGC

LDENA

Lock detector enable

Local mode FM seek stop

LPF

Loop filter input select

MENA

Softmute enable

MPAC

Adjacent channel control by multipath

MPF

Multipath filter frequency

MPG

Multipath filter gain

MPOFF

Multipath control “OFF”

MPTH

Multipath threshold

ODCUR

Current for overdeviation-correction

ODSW

Overdeviation-correction enable

OUT

Test output (only for testing)

Counter for PLL (VCO frequency)

I/Q mixer phase adjust

Table 7. (continued)

Function

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